Separation of concerns is still seen as the way to go. People just have different opinions about what a concern is. It started with markup, styling, and intera

Separation of concerns is still seen as the way to go. People just have different opinions about what a concern is. It started with markup, styling, and interactivity. But many people think, this is a too technical perspective and software should be split up into non-technical concerns (i.e. microservices).